asyncio: sync with Tulip
* Tulip issue #182: Improve logs of BaseEventLoop._run_once()
- Don't log non-blocking poll
- Only log polling with a timeout if it gets events or if it timed out after
more than 1 second.
* Fix some pyflakes warnings: remove unused imports
diff --git a/Lib/asyncio/base_events.py b/Lib/asyncio/base_events.py
index f6d7a58..3951fb7 100644
--- a/Lib/asyncio/base_events.py
+++ b/Lib/asyncio/base_events.py
@@ -882,19 +882,26 @@
when = self._scheduled[0]._when
timeout = max(0, when - self.time())
- if self._debug:
+ if self._debug and timeout != 0:
t0 = self.time()
event_list = self._selector.select(timeout)
dt = self.time() - t0
- if dt >= 1:
+ if dt >= 1.0:
level = logging.INFO
else:
level = logging.DEBUG
- if timeout is not None:
- logger.log(level, 'poll %.3f took %.3f seconds',
- timeout, dt)
- else:
- logger.log(level, 'poll took %.3f seconds', dt)
+ nevent = len(event_list)
+ if timeout is None:
+ logger.log(level, 'poll took %.3f ms: %s events',
+ dt * 1e3, nevent)
+ elif nevent:
+ logger.log(level,
+ 'poll %.3f ms took %.3f ms: %s events',
+ timeout * 1e3, dt * 1e3, nevent)
+ elif dt >= 1.0:
+ logger.log(level,
+ 'poll %.3f ms took %.3f ms: timeout',
+ timeout * 1e3, dt * 1e3)
else:
event_list = self._selector.select(timeout)
self._process_events(event_list)